Given the actual
age of a small dog, how could
you find the actual age of a cat with the same human
age?

How many actual years does it take for a small dog to
reach retirement age?

In the Challenge, you related the years in an animals
life to a human age. How could
you relate the years in a humans life to an animals
age? For example, if you were 13, what age
would you be in cat years?

How
did biologists decide that a 1-year-old small
dog is comparable to a 15-year-old human?

Why do puppies grow faster in
their first year of life than in later years?
Is this also true for human babies?